path: android-platform-tools_34.0.5-12/system/extras/tests/workloads/defs.sh
	if [ -z "$f" ]; then
		# Hmm. sf symbols may not be there... get the pid
		pid=$(${ADB}pidof /system/bin/surfaceflinger | tr "[
]" "[ ]")
		f=$(grep "           <...>-$pid.*tracing_mark_write.*$_app" $traceout 2>/dev/null |
			grep -v Starting | head -1 | tr [\(\)\[\]
:] " ")